饲料科学与技术 Feed science and technology

黑水虻幼虫粉对育肥猪营养物质消化率、血清生化指标和氨基酸组成的影响

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  • 广东省农业科学院动物科学研究所, 农业部华南动物营养与饲料重点实验室, 畜禽育种国家重点实验室, 广东省畜禽育种与营养研究重点实验室, 广东省畜禽肉品质量安全控制与评定工程技术研究中心, 广州 510640
余苗(1985-),女,四川广安人,博士,从事肠道微生物与生态健康养殖研究工作。E-mail:ymiao5656@163.com

收稿日期: 2018-12-17

  网络出版日期: 2019-07-19

基金资助

广东省农业科学院院长基金(201802B);广东省畜禽育种与营养研究重点实验室开放运行(2017B030314044);广东省现代农业产业技术体系创新团队(2017LM1080)

Effects of Hermetia illucens L. Larvae Meal on Nutrient Digestibility, Serum Biochemical Indices and Amino Acid Composition of Finishing Pigs

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  • Guangdong Engineering Technology Research Center of Animal Meat Quality and Safety Control and Evaluation, Guangdong Public Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China

Received date: 2018-12-17

  Online published: 2019-07-19

摘要

本试验旨在研究饲粮中添加黑水虻幼虫粉对育肥猪营养物质消化率、血清生化指标和氨基酸组成的影响。选取72头初始体重相近且健康的"杜×长×大"三元杂交母猪,随机分成3组,按照等能等氮的原则,在饲粮中分别添加0(对照组)、4%和8%的黑水虻幼虫粉,每组8个重复,每个重复3头猪,进行为期46 d的试验(其中预试期4 d)。结果表明:1)与对照组相比,饲粮中添加4%黑水虻幼虫粉显著提高了有机物的消化率(P<0.05),而添加8%黑水虻幼虫粉显著降低了粗蛋白质的消化率(P<0.05)。2)与对照组相比,饲粮中添加4%黑水虻幼虫粉显著增加血清中总蛋白、白蛋白和葡萄糖的含量(P<0.05),但显著减少了血清中尿素氮的含量(P<0.05)。3)与对照组相比,饲粮中添加4%黑水虻幼虫粉显著增加了血清中缬氨酸、蛋氨酸、苏氨酸和总必需氨基酸的含量(P<0.05)。由此可见,本试验条件下,在饲粮中添加4%黑水虻幼虫粉,可调控机体与氮代谢和糖代谢相关的血清生化指标,促进机体对营养物质的消化吸收,改善机体氨基酸平衡,说明黑水虻幼虫粉可作为新型优质蛋白质原料应用于育肥猪饲粮中。

本文引用格式

余苗, 李贞明, 陈卫东, 容庭, 王刚, 马现永 . 黑水虻幼虫粉对育肥猪营养物质消化率、血清生化指标和氨基酸组成的影响[J]. 动物营养学报, 2019 , 31(7) : 3330 -3337 . DOI: 10.3969/j.issn.1006-267x.2019.07.046

Abstract

This study aimed to investigate the effects of Hermetia illucens L. larvae meal on nutrient digestibility, serum biochemical indices and serum amino acid composition of finishing pigs. Seventy-two crossbred (Duroc×Landrace×Large White) female pigs were randomly allocated to three different dietary groups fed diets supplemented with 0 (control group), 4% and 8% Hermetia illucens L. larvae meal to attain the same nitrogen and energy level, respectively. Each group consisted of 8 replicates with 3 pigs per replicate. The experimental period lasted for 46 days including 4 days adaption. The results showed as follows:1) compared with control group, dietary 4% Hermetia illucens L. larvae meal significantly increased the organic matter digestibility (P<0.05), while dietary 8% Hermetia illucens L. larvae meal significantly decreased the crude protein digestibility (P<0.05). 2) Compared with control group, dietary 4% Hermetia illucens L. larvae meal significantly increased the contents of serum total protein, albumin and glucose (P<0.05), while significantly decreased the serum urea content (P<0.05). 3) Compared with control group, dietary 4% Hermetia illucens L. larvae meal significantly increased the contents of serum valine, methionine, threonine and total essential amino acids (P<0.05). In conclusion, under the conditions of this test, dietary 4% Hermetia illucens L. larvae meal can regulate the serum biochemical indices related to nitrogen and glucose metabolism, promote the digestibility and absorptivity of nutrients, and improve amino acid balance in the body. These findings provide a new perspective on Hermetia illucens L. larvae meal as a suitable alternative protein source rich in nutrients for swine feed.

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